Microstructure and properties of Bi-2223/Ag/Ni tapes

被引：0
|
作者：
LI Mingya
机构：
来源：
Rare Metals | 2012年 / 31卷 / 06期
基金：
中央高校基本科研业务费专项资金资助;
关键词：
Bi-2223/Ag/Ni tapes; heat treatment; microstructure; critical current;
D O I：
暂无
中图分类号：
TM26 [超导体、超导体材料];
学科分类号：
0805 ; 080502 ; 080801 ;
摘要：
To reduce the production cost of Bi-2223 superconducting tapes, Bi-2223/Ag/Ni tapes were fabricated by the powder-in-tube process. The effect of heat treatment on the microstructure and critical current of the Bi-2223/Ag/Ni tapes were studied. The phase compositions of the samples were characterized using XRD. The microstructure was observed using SEM. Experimental results indicate that higher temperature is more conducive to the formation of Bi-2223 phase at an atmosphere of 8.5% O 2 . After the two-step heat treatment, the critical current of samples is about 67.5 A.
引用
收藏
页码：556 / 559
页数：4
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